September weather in Compton, CA
The average temperature in Compton in September is 71.5°F (64.5°F–78.5°F). Average precipitation: 0.17 inches.
September is a fall month in Compton, and is warmer than the annual average of 64.5°F. Daily temperatures swing about 14°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 12h 12m. For travel, September is one of the best months of the year to visit.
Avg High
78.5°F
Avg Low
64.5°F
Precipitation
0.17 in
Daylight
12h 12m
September records in Compton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (2017) | 59.0°F (2010) | 0.00 in (1999) |
| September 2 | 96.1°F (2007) | 59.0°F (2010) | 0.02 in (2023) |
| September 3 | 96.1°F (2007) | 59.0°F (2010) | 0.00 in (1999) |
| September 4 | 105.1°F (2022) | 57.0°F (2010) | 0.01 in (2017) |
| September 5 | 100.0°F (2004) | 60.1°F (2000) | 0.00 in (1999) |
| September 6 | 107.1°F (2024) | 60.1°F (2000) | 0.00 in (1999) |
| September 7 | 91.9°F (2022) | 60.1°F (2002) | 0.00 in (1999) |
| September 8 | 99.0°F (2022) | 57.0°F (2002) | 0.01 in (2014) |
| September 9 | 100.9°F (2022) | 60.1°F (2002) | 0.12 in (2022) |
| September 10 | 93.9°F (2015) | 57.9°F (2000) | 0.03 in (2011) |
| September 11 | 91.0°F (2015) | 57.0°F (1999) | 0.00 in (1999) |
| September 12 | 95.0°F (2000) | 57.9°F (1999) | 0.00 in (1999) |
| September 13 | 91.0°F (2000) | 59.0°F (1999) | 0.00 in (1999) |
| September 14 | 91.0°F (2012) | 57.9°F (1999) | 0.00 in (1999) |
| September 15 | 100.0°F (2012) | 59.0°F (2002) | 1.59 in (2015) |
| September 16 | 97.0°F (2014) | 57.9°F (2010) | 0.00 in (1999) |
| September 17 | 89.1°F (2014) | 57.9°F (2010) | 0.01 in (2023) |
| September 18 | 90.0°F (2020) | 60.1°F (2010) | 0.02 in (2025) |
| September 19 | 86.0°F (2015) | 57.9°F (2010) | 0.02 in (2005) |
| September 20 | 93.9°F (2015) | 57.0°F (1999) | 0.34 in (2005) |
| September 21 | 88.0°F (2004) | 57.9°F (2004) | 0.18 in (2007) |
| September 22 | 89.1°F (2004) | 60.1°F (2005) | 0.60 in (2007) |
| September 23 | 93.0°F (2009) | 59.0°F (2007) | 0.01 in (2000) |
| September 24 | 96.1°F (2009) | 59.0°F (2001) | 0.00 in (1999) |
| September 25 | 93.9°F (2016) | 59.0°F (2005) | 0.00 in (1999) |
| September 26 | 104.0°F (2016) | 59.0°F (2005) | 0.00 in (1999) |
| September 27 | 111.0°F (2010) | 59.0°F (2005) | 0.00 in (1999) |
| September 28 | 93.9°F (2010) | 57.9°F (2001) | 0.01 in (2002) |
| September 29 | 100.0°F (1999) | 57.9°F (1999) | 0.00 in (1999) |
| September 30 | 100.9°F (1999) | 57.9°F (2019) | 0.01 in (2006) |